GFM Network News


Green foxtail can cut wheat yields by a quarter when populations reach 400 to 500 plants per square metre.

A large weed seed bank is a ‘gift that keeps taking’

No till, chaff collection, forage in rotation, and chemical control all reduce weed pressure

Below the soil surface lurks the weed seed bank — the predominant source of weed pressure on current and future crops. “You do not want to draw on this bank account,” said provincial crop specialist Harry Brook. “It is a source of annual and perennial weeds that will wait for years before the right conditions […] Read more